/Engine/Source/Runtime/Engine/Public/NaniteSceneProxy.h
struct FMaterialSection
uint8:  1
bAlwaysEvaluateWPO
uint8:  1
bHasPerInstanceCustomData
uint8:  1
bHasPerInstanceRandomID
uint8:  1
bHidden
uint8:  1
bSelected
FDisplacementSc...
DisplacementScaling
HHitProxy*
HitProxy
int32
MaterialIndex
FMaterialReleva...
MaterialRelevance
float
MaxWPOExtent
FMaterialRender...
RasterMaterialProxy
FMaterialRender...
ShadingMaterialProxy